#3d {
    position: relative;
}

#choice {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.carousel {
    position: relative;
    top: 48vh;
}

.el-button--danger {
    font-size: 25px !important;
    background: rgba(0, 0, 0, 0.5) !important;
    border-width: 0 !important;
    width: 50px !important;
    height: 50px !important;
}

.menu {
    position: relative;
    left: 40%;
    top: 95vh;
}

.active {
    background: #3a8ee6 !important;
    border-color: #3a8ee6 !important;
    color: #FFF !important;
    outline: 0 !important;
}

.tips {
    color: rgb(0, 255, 255);
    width: 60px;
    height: 60px;
    border-radius: 30px;
    left: 5px;
    top: 5px;
    font-size: 18px;
    background: rgba(0, 0, 0, 0.5);
    position: absolute;
}